Home / 19,973.94-27,551.25-12,018.66

Finding the Fourth Proportional to 19,973.94, 27,551.25 and 12,018.66

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Solution

The fourth proportional to 19,973.94, 27,551.25 and 12,018.66 is: 16,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.94 : 27,551.25 = 12,018.66 : x
  2. Step 2: Convert to fraction form
    19,973.94/27,551.25 = 12,018.66/x
  3. Step 3: Cross multiply
    19,973.94x = 27,551.25 × 12,018.66
  4. Step 4: Simplify right side
    19,973.94x = 331,129,106.33
  5. Step 5: Solve for x
    x = 331,129,106.33/19,973.94
  6. Step 6: Final answer
    x = 16,578.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.